A settling tank in a water treatment plant is designed for a surface overflow rate of 30 m 3 /day.m 2 . Assume specific gravity of sediment particles = 2.65, the density of water (ρ) = 1000 kg/m 3 , dynamic viscosity of water (μ) = 0.001 N.s/m 2 , and Stroke’ law is valid. The approximate minimum size of particles that would be completely removed is:

GATE Civil Engineering (CE) 2013 Solved Paper

Question : 52 of 65

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A settling tank in a water treatment plant is designed for a surface overflow rate of 30 m³/day.m² . Assume specific gravity of sediment particles = 2.65, the density of water (ρ) = 1000 kg/m³, dynamic viscosity of water (μ) = 0.001 N.s/m², and Stroke’ law is valid. The approximate minimum size of particles that would be completely removed is:

0.01 mm
0.02 mm
0.03 mm
0.04 mm

Validate

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